baber/WOPTO huggingface dataset:
Patent JP-2001309686-A (JP)
Title: Disk device, and motor
Inventor: GOTO MAKOTO
IPC: G11B19/28
Filed: 2000-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a disk device having a motor decelerating and stopping a disk from high speed rotation in low vibration, low noise and low electric power, and the motor. SOLUTION: Electric power supply parts 22-24 form a current path from a voltage supply part 20 to three-phase coils 12-14 while operating high frequency switching. A frequency comparison part 36 compares the frequency of the rotational frequency signal Df of a rotational detection part 33 with a reference frequency to output a frequency comparison signal Ea. The normal and reverse instruction signal Cw of an instruction part 38 is a reverse instruction, when the frequency comparison signal Ea is in a first state, the operation of the electric power supply parts 22-24 is changed over, and the electric power terminal side of the coil is connected to one output terminal side of the electric power supply part 20.  When the normal and reverse instruction signal Cw is the reverse signal and the frequency comparison signal Ea is in a second state, the current path generating reverse torque is formed from the voltage supply part 20 to the three-phase coil while the electric power supply parts 22-24 performs high frequency switching.
Patent JP-2001308886-A (JP)
Title: Wireless packet data communication method, network control station and mobile station
Inventor: SAWAYANAGI CHIKAHIDE
IPC: H04B7/26
Filed: 2000-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a wireless packet communication method that can attain efficient data communication in accordance with a half duplex communication method. SOLUTION: In the wireless packet communication method, where communication is conducted between a network control station and a mobile station while selecting a high-speed communication mode only for outgoing packet data communication using all slots of communication channels or a low-speed communication mode conducting 2-way packet data communication using a prescribed slot of the communication channels, the network control station transmits a 1st control signal to the mobile station in the low speed communication mode, the mobile station transmits a signal denoting whether the network control station can shift to the high-speed communication mode to the network control station and becomes a communication mode corresponding to the state as to whether the shift to the high-speed communication mode is available, and the network control station becomes the communication mode,  on the basis of a reply from the mobile station after the transmission of the 1st control signal. This task can be attained by the wireless packet communication method in this way.
Patent JP-2001313638-A (JP)
Title: System for managing equipment of transmitting device
Inventor: IIDA AKIRA
IPC: H04M3/22
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To solve problems such that many man-hours are needed because a differently managed ledger has to be confirmed in order to predict a circuit failure that occurs in device work, etc., and to preliminarily notify a user of the circuit failure in the conventional management system, that many spare packages have to be provided in order to fast correspond to the worst package failure in case the worst package failure occurs and that such spare packages consequently increase assets so that the spare packages can be a main cause of the cost increase in a fixed property tax, etc., because each device has to be provided with a spare package. SOLUTION: This system has management files such as a building housing device management file F1, device management files F21 to F2n, package management files F31 to F3n, section management files F41 to F4n, path management files F51 to F5n and circuit management files F61 to F 6n in order to manage a transmission network. The route confirmation of a circuit, the retrieval of customers to be notified at the time when a failure occurs and alternate package retrieval in the case a package failure occurs are immediately realized by retrieving the individual management files F1 to F6 with a designated algorithm.
Patent JP-2001313541-A (JP)
Title: Double mode piezoelectric filter
Inventor: WATANABE JUN
IPC: H03H9/56
Filed: 2000-04-28
Abstract: PROBLEM TO BE SOLVED: To obtain a means that reduces spurious radiation in the vicinity of the pass band of a high frequency double mode piezoelectric filter. SOLUTION: Two major electrodes are closely arranged on one side of a piezoelectric substrate, sub-electrodes are arranged to surround the circumferential edges of the main electrodes and a full side electrode is provided on the other side in the double mode piezoelectric filter. Electrodes slightly smaller than the major electrodes are overlapped on the major electrodes so that ends of the electrodes in the middle gap match.
Patent JP-2001317047-A (JP)
Title: Columnar body and joint therefor
Inventor: SUIHO KOICHI
IPC: E02D5/28
Filed: 2000-05-02
Abstract: PROBLEM TO BE SOLVED: To provide a columnar body capable of improving the workability of the fitting operation of a cylindrical part and a shaft part by preventing an elastic ring key from being caught. SOLUTION: In the columnar body, plural inward groove parts 22 and a plurality of outward groove parts 12 are formed in the shaft-core direction of the columnar body. The inner-periphery surface part 23 of the cylinder part and the outer-periphery surface part 13 of the shaft part are disposed in such a manner as to be separated into two parts. The surface part 23 is formed with a taper surface 23T, which is the same conical surface whose diameter becomes larger toward its end side, and the surface part 13 is formed with a taper surface 13T, which is the same conical surface whose diameter becomes smaller toward its end side. An elastic ring key 3 is fitted in such a condition as to straddle the groove part 22 and the groove part 12 and engaged in a disconnection-stopping condition according to the fitting operation.  The diameter of the end-side corner part DK of the ring key 3 is made different in size from that of the base-end-side corner part TK of the taper surface. Consequently, a gap S is formed between the corner parts DK, TK in such a condition that the ring key 3 is concentrically disposed in the groove part 12 or the groove part 22.
Patent JP-2000345275-A (JP)
Title: Titanium base carbonitride alloy
Inventor: WEINL GEROLD
IPC: B23B27/14
Filed: 2000-05-02
Abstract: PROBLEM TO BE SOLVED: To increase the toughness of the material while its wear resistance and deformation resistance are maintained by forming a binder for a titanium base carbonitride compd. alloy contg. Ti, Ta, W, C, N and Co of a specified ratio of Co contg. only Ni and Fe each on impurity level. SOLUTION: A binder for a titanium base carbonitride compd. contg. Ti, Ta, W, C, N and Co is formed of Co of 3 to <9 at% contg. Ni and Fe each on impurity level. The content of C in the alloy is reduced to strengthen the solid solution, and its relative magnetic saturation is controlled to <=0.75 to form an eta phase. For making the particle size of the hard phase to be small and controlling the contend of the binder to the high one, the ratio of N/(C+N) in the titanium base carbonitride compd. is controlled to 25 to 50 at%, >=2 at% Ta and >=2 at% W are contained therein, and the particle size corresponding to >=13 kA/m coercive force is made. It is provided with good quality of an edge line and is suitable for light finish turning for steel or pig iron at a high cutting speed.
Patent JP-2001321888-A (JP)
Title: Manufacturing method of core for casting and its device
Inventor: NAKAMURA NOBUHIRO
IPC: B22C9/10
Filed: 2000-05-10
Abstract: PROBLEM TO BE SOLVED: To provide a core manufacturing method in which air-pocket is hot caused in the molding sand to the most when the core is manufactured. SOLUTION: When the molding sand S filled in a molding sand tank 2 from just above position confront the metallic mold 1 for manufacturing the core is charged into a metal mold 1, firstly, the molding sand S in the molding sand tank 2 is charged into the mold 1 by the dead weight to fill the molding sand S into the mold 1. Thereafter, the high pressure air is charged into the molding sand tank 2, and the molding sand S left in the tank 2 is forcibly blown into the mold 1 to fring the molding sand S into close contact with the mold 1, and the mold 1 under this state is heated to manufacture the core.
Patent JP-2001286107-A (JP)
Title: Manufacturing device for permanent-magnet rotor
Inventor: MATSUMOTO KENKICHI
IPC: H02K1/27
Filed: 2000-04-03
Abstract: PROBLEM TO BE SOLVED: To manufacture a rotor having excellent inside-diameter accuracy with a machine to assemble a permanent-magnet rotor by caulking with a rivet. SOLUTION: A manufacturing device for the permanent-magnet rotor, having a structure wherein a rotor pedestal 14 is mounted at the center of a support pedestal 18 of the device and the rotor 1 for caulk assembling on the rotor pedestal 14, comprises an iron-core press cylinder 7 on the upper part of the support pedestal, a caulking head 10 and a caulking cylinder 11 that are fixed to the iron-core press cylinder 7 and conduct a vertical motion interlocking with the cylinder 7, an eject cylinder 13 and an eject pin 12 for removing the rotor 1 after caulking, an outside-diameter stopper ring 8 for fixing the outside diameter of the rotor 1, and an inside-diameter shaft 9 for fixing the inside diameter. Also the machine has a structure wherein the outside-diameter stopper ring 8 is so mounted as to travel in the inside-diameter direction of the rotor 1.
Patent JP-2001317692-A (JP)
Title: Hydrogen storage tank
Inventor: KANOYA IZURU
IPC: C01B3/00
Filed: 2000-05-10
Abstract: PROBLEM TO BE SOLVED: To provide a hydrogen storage tank that can substantially equalize temperatures in a fluid passage over the overall length thereof during heating. SOLUTION: The hydrogen storage tank 1 comprises an outer cylinder 2, a hydrogen storage material HSM housed in the outer cylinder 2, and a fluid passage 11 defined in the outer cylinder 2 to convey a heating fluid so that the hydrogen storage material HSM is heated and the stored hydrogen is emitted. The heating fluid is a gas combustible in the fluid passage 11 under the presence of a catalyst. The concentration of the catalyst is set so as to gradually decrease from an outlet 13 to an inlet 12 of the fluid passage 11. In the fluid passage 11, the inlet 12 side can cause unburnt gas, the midway region can partially combust, the unburnt gas, and the outlet 13 side can completely combust the unburnt gas.
Patent JP-2000353127-A (JP)
Title: Improved computer memory address conversion system
Inventor: ANN MARIE MAYNARD
IPC: G06F12/10
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To improve a computer memory by making a protection check on an entry in an address cache table and making no check when retrieval from the address cache table is performed with the entry. SOLUTION: A CPU generates the effective address of an instruction or data to be requested (300) and then requests necessary address conversion (305). According to the requested effective address, the address cache table is searched (310). At this time, a protection check on the entry in the address cache table is not made. Thus, when an effective entry is found, the system checks whether or not a requested virtual page can match the entry (320). When so, a physical address is calculated (325), requested information is fetched from a memory subsystem (330), and a next address request is held and repeated.
Patent JP-2001330096-A (JP)
Title: Continuously variable transmission
Inventor: MATSUSHITA TOSHIHIKO
IPC: F16H37/02
Filed: 2000-05-19
Abstract: PROBLEM TO BE SOLVED: To reduce an arrangement space for a transmission mechanism to transmit the drive power of a motor for speed change to the speed change gear of each pulley. SOLUTION: A continuously variable transmission comprises a drive pulley 11 having a speed change gear 14d and a screw mechanism 14; a driven pulley 21 having a speed change gear 22d and a screw mechanism 22; and a belt 15 running around and between the drive pulley and the driven pulley. The speed change gears 14d and 22d are rotated by a motor 40 for speed change and moving sheaves 11b and 21b are axially moved through the screw mechanisms 14 and 22. The speed change gears 14d and 22d form a gear having diameter larger than that of the moving sheave of each pulley. The drive force of the motor 40 for speed change is transmitted to a speed change shaft 45 and transmitted to the speed change gear 14d from a gear 45a mounted on the speed change shaft 45 and to the speed change gear 22d of the driven pulley 21 through idler gears 46a and 46b.  This constitution synchronously rotates the speed change gears 14d and 22d by the single motor 40 for speed change.
Patent JP-2001328011-A (JP)
Title: Throw-away tip and cutting tool for clamping the same
Inventor: INAYAMA TAKASHI
IPC: B23B27/16
Filed: 2000-05-19
Abstract: PROBLEM TO BE SOLVED: To prevent raising of the opposite side of a cutting edge at cutting time in a throw-away tip clamped with a clamping screw by being flatly placed on a seat surface of a tip clamping recessed part. SOLUTION: This throw-away tip 1 is provided with inclined faces 8a and 9a by obtusely crossing a rake surface 2a and a side surface positioned on the side for abutting to peripheral edge wall surfaces 25 and 26 of the seat surface 23 when flatly placed on the seat surface 23 of the recessed part 22. The peripheral edge wall surfaces 25 and 26 of the seat surface 23 are allowed to abut to the inclined faces in the shape of covering to these inclined faces 8a and 9a, and the inclined faces of the tip 1 are pressed down by the wall surfaces 25 and 26. Thus, the raising of an opposite part of the cutting edge can be prevented by sandwiching the clamping screw 10 by main component force at cutting time, and relaxation of the calmping screw 10 can be prevented.
Patent JP-2001330426-A (JP)
Title: Measuring apparatus for cross-sectional shape
Inventor: BANSHIYOUYA TAKASHI
IPC: G01B21/20
Filed: 2000-05-22
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus by which the cross-sectional shape of a rail can be measured simply and with high accuracy. SOLUTION: The measuring apparatus is composed of a data measuring device 1 and a data processor 2. The data measuring device 1 comprises a measuring part 7 which measures the circumference of an object to be measured, while the reference point of the device is used as the center of rotation. The measuring device 1 comprises a mounting part 6 which fixes the device to the object to be measured. The data processor 2 controls the measuring device 1, and it acquires a signal to be output from the measuring device 1. The measuring part 7 is provided with a radiation part which radiates inspection waves to the object to be measured. The measuring part 7 is provided with a reception part which receives reflected waves from the surface of the object to be measured. The measuring part 7 is provided with an output part which outputs a signal indicating the reception position of received waves.
Patent JP-2001328650-A (JP)
Title: Container
Inventor: IWANAMI TAKAYUKI
IPC: B65D33/36
Filed: 2000-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a container wherein an operation of pulling out an inlet port when unsealing the container for example is easy since a tongue member can be held for pulling out, wherein the container is free from such a trouble that contents scatter causing an outer package or an environment for example to be contaminated when the container is tilted to discharge the contents, and wherein the container is useful as a container for manually dispensing small quantities of the contents such as paint, a medicine and a food material. SOLUTION: The inlet port 5 mounted on a recess 4 formed on one of surfaces of a container body 2 is normally received in the recess 4. When the contents in the container 1 are to be discharged, the recess 4 is pulled out as a protrusion for making the inlet port 5 protrude. This container 1 is characterized by the tongue member 6 mounted on the inlet port 5.
Patent JP-2001333173-A (JP)
Title: Mobile communication terminal
Inventor: YUMA AKIRA
IPC: G06F3/0487
Filed: 2000-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a mobile communication terminal that enables a user to easily use a function of returning to a Web page referenced at a preceding time or some preceding times by a single function key. SOLUTION: The mobile communication terminal is provided with a mobile communication terminal main body 10 on which a browser function is installed, a display section 12 that is placed on the front side of the main body 10 and connected to the Internet to be able to display Web pages, and a 1st function key 14e that is placed on the main body 10, and formed to use a function of restoring to a Web page reference just before through a single key for confirmation while a Web page is displayed on the display section 12. Furthermore, the 1st function key 14e is provided to automatically call a menu for one depression and to use the restoration function through the 2nd depression so as to display the Web page referenced just before while the display section 12 displays a prescribed Web page.
Patent JP-2001329738-A (JP)
Title: Guide rail mounting structure for top-railed sliding door
Inventor: KIDO ISAMU
IPC: E05F15/60
Filed: 2000-05-23
Abstract: PROBLEM TO BE SOLVED: To easily carry out maintenance and a check of a top-railed sliding door driving linear motor 21 without disassembling a door housing case S. SOLUTION: A rail base 15 extending to the inside/outside of the door housing case S, a guide rail 11 attached to the rail base 15, an engagement member 12 attached to the tip of the guide rail 11, and the linear motor 21 mounted to the guide rail 11 are assembled together. The guide rail 11 fixed removably by engaging the engagement member 12 with a vertical frame 41 inside the door housing case S is screwed to the rail base 15 on the outside of the door housing case S, so that the guide rail can be taken out to the outside the door housing case S with the linear motor 21.
Patent JP-2001327326-A (JP)
Title: Mascara container
Inventor: SUZUKI KAZUO
IPC: A45D34/04
Filed: 2000-05-24
Abstract: PROBLEM TO BE SOLVED: To improve the convenience of it in assembling a mascara container and sealability. SOLUTION: In this mascara container comprising a container body having an opening part for storing the mascara, an external cylinder having an opening part communicated with the opening part of the container body and covering the outside of the container body, a cap provided with a brush inserted in the opening part and the container body through the opening part for adhering the mascara, and a wiper disposed between the container body and the external cylinder to squeeze out the mascara adhered to the brush, the external cylinder has a tapered annular pressing member abutted on the periphery of a squeezing port of the wiper, the wiper has an annular wall covering the opening part of the container body and extending along the annular pressing member, and the diameter of the wiper can be adjusted by turning the external cylinder around the container body, and changing the abutting degree on the tip of the annular pressing member by the movement along the longitudinal direction thereof, and a sealing member is disposed between the annular wall of the wiper and the annular pressing member.
Patent JP-2001339364-A (JP)
Title: Cyclic extended code combination generator, transmitter, receiver, communication system, transmission method, reception method, and information recording medium
Inventor: HARADA HIROSHI
IPC: H04J13/00
Filed: 2000-05-25
Abstract: PROBLEM TO BE SOLVED: To realize a transmitter or the like for code division multiplex communication which has a high transmission capacity, which is hardly affected by a delay wave and has less number of parallel transmission. SOLUTION: A data divider 301 of a transmitter 221 divides transmission information into 12-bits and 8-bits, an M sequence code generator 302 generates a basic code, a cyclic shift code generator 303 generates 31 sets of cyclic codes, and a cyclic extended code generator 304 generates 31-sets of cyclic extended codes, a code combination selector 305 selects a combination of the cyclic extended codes (5 codes) corresponding one to one to the 12-bit information, a scramble circuit 306 applies QPSK modulation to the 8-bit information, a serial parallel converter 307 applies parallel conversion to the modulated 8-bit information into 4 channels, each of code spread devices 308 applies spread spectrum processing to each of the 4-channel information by using the selected cyclic extended code,  and a code division multiplexer circuit 309 multiplexes the outputs of the devices 308 and an antenna 310 transmits the multiplexed signal.
Patent JP-2001332778-A (JP)
Title: Method of polarizing piezoelectric element
Inventor: INOUE JUNICHI
IPC: H01L41/337
Filed: 2000-05-25
Abstract: PROBLEM TO BE SOLVED: To polarize many thin plates consisting of piezoelectric material efficiently and easily with less processing loss, and also to polarize them easily without forming an electrode (conductive film)for polarization. SOLUTION: This method is for polarizing the thin plates consisting of piezoelectric material in its in-plane direction (a direction vertical to the thickness direction of the plate). Plural sheets of thin plates 20 consisting of piezoelectric material are stacked on top of one another, and then high voltage is applied to both their opposite sides of the stack, thereby polarizing the piled thin plates consisting of piezoelectric materials en block. A method of forming conductive films 22 directly on the films consisting of piezoeiectric material and polarizing them utilizing the conductive film, and a method of polarizing them utilizing conductive sheets without forming conductive films, are available.
Patent JP-2001335974-A (JP)
Title: Cathodic protection method and system for metallic structure
Inventor: TAKAHASHI MASAHIRO
IPC: C23F13/00
Filed: 2000-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a cathodic protection method and device for a metallic structure by an external power source system which can expand a protection performed by an anode in the electrolytic protection of the metallic structure to the maximum extent occuring overprotection and can protect the metallic structure against corrosion effectively for a long period. SOLUTION: Coating of the metallic structure is performed by using an insulative coating material for a lower layer, sticking a small-sized anodic plate thereon, continuously applying a conductive coating material to be applied to an intermediate layer to the anodic plate as well and applying a combination of the coating materials having weatherability to an upper layer. Cathodic protection current is supplied to the small-sized anodic plate from a control unit added with a mechanism of imparting fluctuating applied voltage thereto in such a manner that optimum current may be supplied according to the fluctuation in the corrosive environment of the metallic structure.
Patent JP-2001345359-A (JP)
Title: Semiconductor element and its manufacturing method
Inventor: OKUBO NOBORU
IPC: H01L27/04
Filed: 2000-05-30
Abstract: PROBLEM TO BE SOLVED: To improve inspection accuracy of electrical characteristics. SOLUTION: A semiconductor element comprises a bonding pad 11 having protrusions 14 on its surface. When a probe needle 18 is pressed against the pad 11 even if an oxide film 17 is formed on the pad 11, the film 17 is torn by pushing down the protrusion 14 by the needle 18 so that the needle 18 can contact directly the pad 11.